Suppose a ball is hit at an angle of 60° from point A on the 4.5' by 9' billiards table shown below.Will the ball hit the sides of the table at least five times before going into a pocket? Explain your answer.
Yes. See the sketch. The angle of incidence equals the angle of reflection so that a series of parallelograms is made by the path of the ball.
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Solve.BT&T charges $0.31 for the first minute and $0.28 for each additional minute for a long-distance call. How much will a 30 minute long-distance call cost?
A. $8.43 B. $8.40 C. $9.30 D. $8.71
Find the area of the rectangle or square.Length = 12 cm, width = 3 cm
A. 30 cm2 B. 36 cm2 C. 15 cm2 D. 72 cm2
For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(-7, -1), (-4, -4), (-2, -6), (3, -7)}
A. Yes B. No
Solve the problem.Barbara knows that she will need to buy a new car in 2 years. The car will cost $15,000 by then. How much should she invest now at 6%, compounded quarterly, so that she will have enough to buy a new car? Round to the nearest cent.
A. $14,138.94 B. $13,315.67 C. $14,150.94 D. $12,594.29